as britain celebrates another royal newly wed couple. today sunday, july 31, 2011. captions paid for by nbc-universal television >>> good morning, everyone. welcome to "today" on a sunday. i'm lester holt. >> i'm jenna wolfe. we're just 48 hours from the point where the nation is unable to pay all of its bills and risk default but this morning some signs of progress. >> we have details of a possible detail coming out last night when harry reid said the two senates were trying to nail down loose ends and complete an agreement. >> we should stress, there is no deal quite yet. the situation is still quite fragile, but both sides are hoping to end this bittal debt limit showdown before the august tuesday.ine oncc1: >> the senate delayed its critical vote until 1:00 p.m. today amid growing indications that this compromise could be in the works that would avert a federal default tuesday. we have the story covered from capitol hill to the white house. we begin this morning with nbc's luke russert. good morning. >> two days away from when the nation is supposed to default o